Water Quality: Pima, AZ
3 water systems • 4,561 people served
Multiple Health ViolationsWater Quality Summary
Pima is served by 3 public water systems with a combined service population of 4,561 people, and has 177 EPA Safe Drinking Water Act violations on record. Critically, 7 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Pima's violation count is 53% below the national average for Arizona. Contaminants associated with violations include Chlorine Dioxide.
Contaminants Found
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Water Systems Serving Pima
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| GRAHAM COUNTY UTILITIES - PIMA | AZ0405002 | Groundwater | 3,799 | 82 |
| GRAHAM COUNTY UTILITIES-FORT THOMAS | AZ0405001 | Groundwater | 452 | 49 |
| ASH CREEK WATER COMPANY | AZ0405007 | Groundwater | 310 | 46 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Arizona
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.